43036225 has 6 divisors (see below), whose sum is σ = 53364950. Its totient is φ = 34428960.

The previous prime is 43036187. The next prime is 43036267. The reversal of 43036225 is 52263034.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4198401 + 38837824 = 2049^2 + 6232^2 .

It is not a de Polignac number, because 43036225 - 2¹³ = 43028033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1721449 = 43036225 / (4 + 3 + 0 + 3 + 6 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 43036225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 860700 + ... + 860749.

Almost surely, 2^43036225 is an apocalyptic number.

It is an amenable number.

43036225 is a deficient number, since it is larger than the sum of its proper divisors (10328725).

43036225 is a wasteful number, since it uses less digits than its factorization.

43036225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721459 (or 1721454 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 43036225 is about 6560.2000731685. The cubic root of 43036225 is about 350.4381587310.

Adding to 43036225 its reverse (52263034), we get a palindrome (95299259).

The spelling of 43036225 in words is "forty-three million, thirty-six thousand, two hundred twenty-five".